Do you value the joint cut?

I don't want to do all the homework for you and have only marked three possible zeros, each meant as the location of a joint intersection:

Oh, something will surely be found... But considering that the joint cut seems to be important, the room was really not well planned for it.

The room was not planned for that either. Unfortunately!

I only thought about the joint cut when all the sanitary work was already finished... UNFORTUNATELY!

How does the saying go? It will be different with the next house...

I only thought about the joint cut after all the sanitary work was already finished... UNFORTUNATELY!

Where did you get the trauma from that the bathroom living happiness depends on the joints running over the wall-floor boundary? If necessary, take a less contrasting joint color, then this supposed catastrophe recedes a bit into the background. Have you already tested a little with my three zero points whether what came out was sufficient for you?

I somehow convinced myself that the trauma was real. I am afraid that I will regret later not having done it...

I would consider the "fear" that you won't like it for long if you do it to be more justified: especially with strong contrasts between the grout and tile color, as a non-masochist I would never come up with the idea to cover the frames of a feel-good room with a 3D grid. Large checkered somehow reminds me - even if it's not light blue with yellow grout - somehow of YPS